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Optical modulation with pre-chirp control using electro-absorption modulator (EAM) and its integration have been reviewed. Device design, fabrication, and application of high-speed chirp-control intensity modulation are also discussed for OOK and OFDM modulation scheme.
Low-pattern-dependence and chirp-control optical modulation using a monolithic integration of devices is proposed and demonstrated in this study. The monolithic integration consisting of semiconductor optical amplifier (SOA) and electroabsorption modulator (EAM) is used. As high enough optical power is coupled into a device to reach saturation condition, the field driving operation in an EAM (reversed-bias...
A low-pattern-dependent-and-chirp-compensated data transmission is demonstrated from monolithic integration of EAM and SOA. By reversed saturation behaviors between EAM and SOA, clear 10Gbit/s eye diagram with 0.6 GHz chirp-compensation and enhanced signal-to-noise ratio is realized.
A novel low-pattern-dependence pre-chirp technology using EAM-integrated SOA is demonstrated. Reduction of 10Gb/s pattern dependence with chirp-compensation of 0.9GHz is realized by the inherently contrary saturation behaviors of EAM and SOA.
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